update user.rs file and integration in main file

backend/src/main.rs

@@ -4,9 +4,12 @@ use std::path::Path;
 use tokio::fs::File;
 use tokio::io::{self, AsyncReadExt};
 use tower_http::services::ServeDir;
+mod user;
 
 #[tokio::main]
 async fn main() {
+    let db = user::DataBase::open(String::from("user"));
+    db.create_table("users", "name TEXT, level TEXT, password TEXT");
     let app = Router::new()
         .route("/", get(handler))
         .route("/game", get(game))
@@ -34,6 +37,20 @@ async fn game() -> Html<String> {
     Html(html_content)
 }
 
+async fn register() -> Html<String> {
+    let html_content = read_html_from_file("../web/templates/view/register.html")
+        .await
+        .unwrap_or_else(|_| "<h1>Error loading HTML file</h1>".to_string());
+    Html(html_content)
+}
+
+async fn login() -> Html<String> {
+    let html_content = read_html_from_file("../web/templates/view/login.html")
+        .await
+        .unwrap_or_else(|_| "<h1>Error loading HTML file</h1>".to_string());
+    Html(html_content)
+}
+
 async fn read_html_from_file<P: AsRef<Path>>(path: P) -> io::Result<String> {
     let mut file = File::open(path).await?;
     let mut contents = String::new();